Herman van Midden


SQLServerCentral Article

Implementing, loading and optimizing a Type 2 Slowly Changing Fact Table

This article shows how to implement a Slowly Changing Facts Table, how to overcome the problems encountered when using the MERGE statement to process the data and suggest a minimal set of indexes to aid data loading and quering.

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2013-08-19

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Question of the Day

Subqueries II

What is wrong (if anything) with this code?

SELECT *
 FROM Sales.SalesOrderHeader AS soh 
 WHERE customerid IN (SELECT soh.CustomerID FROM Sales.Customer AS c WHERE soh.CurrencyRateID = 1 ORDER BY c.ModifiedDate)

See possible answers